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Kill The Body

and the head will die

Mark Jeffers vs Zak Chelli — record, stats and common opponents compared

Mark Jeffers

Zak Chelli

Mark Jeffers (2-1 across 3 tracked bouts) and Zak Chelli (17-3-1) are compared on record, finishing method, activity, and common opponents on Kill The Body. The two have met once. They share no common opponents in Kill The Body's bout data.

Jeffers

Tracked record

2–1

counted from 3 bouts Kill The Body has ingested

Chelli

17

Wins9 KO · 53%

3

Losses

1

Draw21 tracked bouts

Heads up: at least one of these records is a tracked record — the wins and losses Kill The Body has ingested so far, not an independently verified career total. Treat the comparison as a read on the bouts we hold, not a settled ledger.

Head to Head

Jeffers leads 1–0

Mark Jeffers and Zak Chelli have met 1 time; Jeffers leads 1–0.

Mark Jeffers and Zak Chelli have met 1 time; Jeffers leads 1–0.
Met2023Jul 1Series
Mark JeffersFighter AWWon1–0W–L
Zak ChelliFighter BLLost0–1W–L
ResultUD1Meeting

The Numbers

Jeffers 0 · Chelli 6 of 6 measurable rows
JeffersChelli
Record†
2-117-3-1 (edge)
Win %0–100%
66.7%
83.3% (edge)
Wins by knockoutmax 9
0
9 (edge)
KO ratenot comparable
—52.94%
Stoppage rate (tracked wins)‡0–100%
0%
53% (edge)
Times stopped‡max 1
1
0 (edge)
Title reignslevelmax 0
0
0
Bouts per year§max 2.3
0.9
2.3 (edge)
Bouts trackedcoveragemax 21
3
21

† One or both records are tracked, not career-verified. · ‡ Counted from bouts Kill The Body has ingested, not a career total. · § Across each fighter's tracked career span. · Bars are scaled per row — percentages on 0–100, counts against the larger of the two. Every figure is also printed as text.

Tale of the Tape

Heightnot held
Mark Jeffers: No height on file
Zak Chelli: 6′0″
Agenot held
Mark Jeffers: No date of birth
Zak Chelli: 28
Stance
Mark Jeffers: Not recorded
Zak Chelli: Orthodox

Mark Jeffers left, Zak Chelli right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only
Mark Jeffers2 wins · from 3 tracked bouts

Mark Jeffers: 2 tracked wins — 2 on the cards (100%). Counted from 3 bouts Kill The Body has ingested.

2 on the cards 100%

Zak Chelli17 wins · from 21 tracked bouts

Zak Chelli: 17 tracked wins — 9 by KO/TKO (53%), 7 on the cards (41%) and 1 by another method or unrecorded (6%). Counted from 21 bouts Kill The Body has ingested.

9 by KO/TKO 53%7 on the cards 41%1 by another method or unrecorded 6%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Mark Jeffers 3, Zak Chelli 21 — not from a career-complete method table.

Common Opponents

No opponents in common across the bouts Kill The Body has tracked for these two.

Current Form

Oldest left · newest right

Mark Jeffers has won once since losing by stoppage to Willy Hutchinson. Jeffers last boxed on Sep 19, 2026 — 29 days ago.WLW

Chelli Jul 2023Hutchinson Oct 2025Conway Sep 20260.9 tracked bouts per year

Zak Chelli has won two straight since losing a decision to Callum Simpson. Chelli last boxed on May 9, 2026 — 162 days ago.WWLWW

Grannum Sep 2023Cullen Jan 2024Simpson Aug 2024Hepple Jun 2025Morrell May 20262.3 tracked bouts per year

Common Questions

With the rows behind them
Have Mark Jeffers and Zak Chelli ever fought each other?
Yes. Mark Jeffers and Zak Chelli met once on July 1, 2023, and Mark Jeffers won by UD.
The meeting

WJul 1, 2023 · Jeffers · UD

Head to Head ↓
Who has the better record, Jeffers or Chelli?
Mark Jeffers is 2-1 across the 3 bouts Kill The Body has tracked and Zak Chelli is 17-3-1. Zak Chelli has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Jeffers2–166.7%

Chelli17–3–183.3%

The Numbers ↓
Who has more knockouts, Jeffers or Chelli?
Mark Jeffers has 0 knockout wins and Zak Chelli has 9. Zak Chelli has more.
Knockout wins · KO rate

Jeffers0

Chelli952.9%

The Numbers ↓
Do Jeffers and Chelli have any common opponents?
Kill The Body's bout data shows no opponents that both Mark Jeffers and Zak Chelli have faced.
How much fight data does Kill The Body have on Jeffers and Chelli?
This comparison is drawn from 3 bouts tracked for Mark Jeffers and 21 bouts tracked for Zak Chelli. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Jeffers3bouts

Chelli21bouts

How They Win ↓

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